21819636

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{353}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 59144904

約数和(自身を除く): 37325268

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 101, 102, 153, 202, 204, 303, 306, 353, 404, 606, 612, 706, 909, 1059, 1212, 1412, 1717, 1818, 2118, 3177, 3434, 3636, 4236, 5151, 6001, 6354, 6868, 10302, 12002, 12708, 15453, 18003, 20604, 24004, 30906, 35653, 36006, 54009, 61812, 71306, 72012, 106959, 108018, 142612, 213918, 216036, 320877, 427836, 606101, 641754, 1212202, 1283508, 1818303, 2424404, 3636606, 5454909, 7273212, 10909818, 21819636]

約数ペア:

[(1, 21819636), (2, 10909818), (3, 7273212), (4, 5454909), (6, 3636606), (9, 2424404), (12, 1818303), (17, 1283508), (18, 1212202), (34, 641754), (36, 606101), (51, 427836), (68, 320877), (101, 216036), (102, 213918), (153, 142612), (202, 108018), (204, 106959), (303, 72012), (306, 71306), (353, 61812), (404, 54009), (606, 36006), (612, 35653), (706, 30906), (909, 24004), (1059, 20604), (1212, 18003), (1412, 15453), (1717, 12708), (1818, 12002), (2118, 10302), (3177, 6868), (3434, 6354), (3636, 6001), (4236, 5151)]